Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share Basic And Diluted [Line Items]
Net income	$ 2,272	$ 1,627	$ 4,732	$ 3,036
Weighted average shares outstanding - Basic (in shares)	12,648	12,629	12,642	12,627
Dilutive effect of common stock equivalents (in shares)	17	9	15	9
Weighted average shares outstanding - Diluted (in shares)	12,665	12,638	12,657	12,636
Earnings per common share - Basic (in dollars per share)	$ 0.18	$ 0.13	$ 0.37	$ 0.24
Earnings per common share - Diluted (in dollars per share)	$ 0.18	$ 0.13	$ 0.37	$ 0.24